Tomonari Sei, Satoshi Aoki, Akimichi Takemura. Perturbation method for determining the group of invariance of hierarchical models. Adv. Appl. Math., 43(4):375-389, 2009. [doi]
@article{SeiAT09, title = {Perturbation method for determining the group of invariance of hierarchical models}, author = {Tomonari Sei and Satoshi Aoki and Akimichi Takemura}, year = {2009}, doi = {10.1016/j.aam.2009.02.005}, url = {https://doi.org/10.1016/j.aam.2009.02.005}, researchr = {https://researchr.org/publication/SeiAT09}, cites = {0}, citedby = {0}, journal = {Adv. Appl. Math.}, volume = {43}, number = {4}, pages = {375-389}, }